Aristotle's Nicomachean Ethics is devoted to the topic of human happiness. Yet, although Aristotle's conception of happiness is central to his whole philosophical project, there is much controversy surrounding it. Hope May offers a new interpretation of Aristotle's account of happiness - one which incorporates Aristotle's views about the biological development of human beings. May argues that the relationship amongst the moral virtues, the intellectual virtues, and happiness, is best understood through the lens of developmentalism. On this view, happiness emerges from the cultivation...